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- Title
Non-Polar Gallium Nitride for Photodetection Applications: A Systematic Review.
- Authors
Al-Zuhairi, Omar; Shuhaimi, Ahmad; Nayan, Nafarizal; Azman, Adreen; Kamarudzaman, Anas; Alobaidi, Omar; Ghanim, Mustafa; Abdullah, Estabraq T.; Zhu, Yong
- Abstract
Ultraviolet photodetectors have been widely utilized in several applications, such as advanced communication, ozone sensing, air purification, flame detection, etc. Gallium nitride and its compound semiconductors have been promising candidates in photodetection applications. Unlike polar gallium nitride-based optoelectronics, non-polar gallium nitride-based optoelectronics have gained huge attention due to the piezoelectric and spontaneous polarization effect–induced quantum confined-stark effect being eliminated. In turn, non-polar gallium nitride-based photodetectors portray higher efficiency and faster response compared to the polar growth direction. To date, however, a systematic literature review of non-polar gallium nitride-based photodetectors has yet to be demonstrated. Hence, the objective of this systematic literature review is to critically analyze the data related to non-polar gallium nitride-based photodetectors. Based on the pool of literature, three categories are introduced, namely, growth and fabrication, electrical properties, and structural, morphological, and optical properties. In addition, bibliometric analysis, a precise open-source tool, was used to conduct a comprehensive science mapping analysis of non-polar gallium nitride-based photodetectors. Finally, challenges, motivations, and future opportunities of non-polar gallium nitride-based photodetectors are presented. The future opportunities of non-polar GaN-based photodetectors in terms of growth conditions, fabrication, and characterization are also presented. This systematic literature review can provide initial reading material for researchers and industries working on non-polar gallium nitride-based photodetectors.
- Subjects
INDIUM gallium nitride; COMPOUND semiconductors; AIR purification; GALLIUM compounds; GALLIUM; GALLIUM nitride; PHOTODETECTORS; NITRIDES
- Publication
Coatings (2079-6412), 2022, Vol 12, Issue 2, p275
- ISSN
2079-6412
- Publication type
Article
- DOI
10.3390/coatings12020275